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without acid
The air bubble can be made more visually obvious using colored water
Premium Quality: Spectrum Tube Apparatus is made of high-grade construction all the way through
washable plastic for years of hands-on activities
This real dissected specimen of Star Fish has been embedded in plastic for observation and study
Magnetic Field Demo Board (with small magnetic needles) Specimen without acidMagnetic Field Demo Board (with small magnetic needles). Consists of small magnet needles, used with bar magnet to show magnet field. Premium Quality: This product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design,
US$ 105.00
US$ 90.00
US$ 23.00
US$ 105.00
US$ 90.00
US$ 90.00
US$ 150.00
US$ 25.00
